Managing my ~/.ssh/config

.bash_ssh_alias

_verify_sshconfig(){
  # Using GnuPG to verify my ~/.ssh/config
  #
  # In ~/.ssh/config.d/ create your ssh config like this
  #
  #   00-header.cfg
  #   05-work.cfg
  #   ...
  #   20-other.cfg
  #   99-defaults.cfg
  #
  # cat them all together into the new config.
  cat ~/.ssh/config.d/*.cfg > ~/.ssh/config.new

  # GnuPG to verify my new config is the same
  gpg --verify ~/.ssh/config.sig ~/.ssh/config.new
  
  if [ $? -ne 0 ] ; then
    diff -u ~/.ssh/config ~/.ssh/config.new
    echo "_______________________________________________________________"
    echo -n "FAILED GnuPGP Signature! Do you want to resign it now? [y/N]: "
    read ANS
    case $ANS in
      y|Y)
        cat ~/.ssh/config.new > ~/.ssh/config
        gpg --output  ~/.ssh/config.sig --detach-sign ~/.ssh/config
        ;;
      *)
        echo "You will need to re-sign your ~/.ssh/config again"
        echo "  gpg --output  ~/.ssh/config.sig --detach-sign ~/.ssh/config"
        ;;
      esac
   else
     # Since it is lets cat the new one into the old.
     cat ~/.ssh/config.new > ~/.ssh/config
     /usr/bin/ssh $@
   fi
}

# All ssh options are passed along 
alias ssh='[[ -d ~/.ssh/config.d ]] &&  _verify_sshconfig'